body,
html {
  height: 100%;
  background-color: blue;
}
#logo {
  margin: 20px 0 0 240px;
}
.box {
  width: 400px;
  height: 310px;
  background-color: coral;
  box-shadow: 5px 5px 5px 5px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}
h1 {
  text-align: center;
  line-height: 60px;
  font-weight: 700;
}
form {
  margin: 0 30px;
}
a {
  float: right;
}

.layui-form-item {
  position: relative;
}
.layui-form-item input {
  padding-left: 30px;
}
.layui-form-item i {
  position: absolute;
  top: 11px;
  left: 9px;
}
.register {
  display: none;
}
